victoza® is proven to lower blood sugar and a1c. it's taken once-a-day, any time, and comes in a pen. and the needle is thin. victoza® is not for weight loss, but it may help you lose some weight. victoza® is an injectable prescription medicine that may improve blood sugar in adultth type 2 diabetes when used with diet and exercise. it is not recommended as the first medication to treat diabetes and should not be used in people with type 1 diabetes or diabetic ketoacidosis. victoza® has not been studied with mealtime insulin. victoza® is not insulin. do not take victoza® if you have a personal or family history of medullary thyroid cancer, multiple endocrine neoplasia syndrome type 2, or if you are allergic to victoza® or any of its ingredients. symptoms of a serious allergic reaction may include: swelling of face, lips, tongue, or throat, fainting or dizziness, very rapid heartbeat, problems breathing or swallowing, severe rash or itching. tell your doctor if you get a lump or swelling in your neck.